DE69628401T2 - Verfahren und System für den digitalen Farbdruck - Google Patents

Verfahren und System für den digitalen Farbdruck Download PDF

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Publication number
DE69628401T2
DE69628401T2 DE69628401T DE69628401T DE69628401T2 DE 69628401 T2 DE69628401 T2 DE 69628401T2 DE 69628401 T DE69628401 T DE 69628401T DE 69628401 T DE69628401 T DE 69628401T DE 69628401 T2 DE69628401 T2 DE 69628401T2
Authority
DE
Germany
Prior art keywords
color printing
digital color
digital
printing
color
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69628401T
Other languages
English (en)
Other versions
DE69628401D1 (de
Inventor
Robert M Coleman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Xerox Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE69628401D1 publication Critical patent/DE69628401D1/de
Publication of DE69628401T2 publication Critical patent/DE69628401T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6016—Conversion to subtractive colour signals
    • H04N1/6022—Generating a fourth subtractive colour signal, e.g. under colour removal, black masking
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/10—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by matrix printers
    • G06K15/102—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by matrix printers using ink jet print heads
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K2215/00—Arrangements for producing a permanent visual presentation of the output data
    • G06K2215/0082—Architecture adapted for a particular function
    • G06K2215/0094—Colour printing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Color Image Communication Systems (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Color, Gradation (AREA)
DE69628401T 1995-12-27 1996-12-20 Verfahren und System für den digitalen Farbdruck Expired - Lifetime DE69628401T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/579,385 US6275302B1 (en) 1995-12-27 1995-12-27 Color printing yielding a background dependent neutral gray image (i.e. intelligent gray)

Publications (2)

Publication Number Publication Date
DE69628401D1 DE69628401D1 (de) 2003-07-03
DE69628401T2 true DE69628401T2 (de) 2004-01-15

Family

ID=24316689

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69628401T Expired - Lifetime DE69628401T2 (de) 1995-12-27 1996-12-20 Verfahren und System für den digitalen Farbdruck

Country Status (4)

Country Link
US (1) US6275302B1 (de)
EP (1) EP0782097B1 (de)
JP (1) JP4153568B2 (de)
DE (1) DE69628401T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6490696B1 (en) 1999-12-15 2002-12-03 Electronics For Imaging, Inc. System and method for printer output regression testing using display lists
US7900144B1 (en) * 2000-03-23 2011-03-01 Eastman Kodak Company Modification of color values in page description files
US7072072B1 (en) * 2000-05-02 2006-07-04 Xerox Corporation Color rendering optimized for text and line art
US7116821B2 (en) * 2002-03-25 2006-10-03 Lexmark International, Inc. Color trapping for an image forming apparatus
US7304766B2 (en) * 2002-04-01 2007-12-04 Hewlett-Packard Development Company, L.P. Method and apparatus for data adjustment
US8243325B2 (en) * 2005-07-08 2012-08-14 Xerox Corporation Method for prepress-time color match verification and correction
JP4618457B2 (ja) * 2008-06-16 2011-01-26 富士ゼロックス株式会社 色信号処理装置、色変換装置、色信号処理プログラム、色変換プログラム
US8229211B2 (en) 2008-07-29 2012-07-24 Apple Inc. Differential image enhancement
US8233197B2 (en) * 2008-11-20 2012-07-31 Xerox Corporation Pantograph methods, apparatus and systems based on UCR/GCR
US9811771B2 (en) 2016-03-29 2017-11-07 Xerox Corporation User tone reproduction curve ink limit warning

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3109190C2 (de) * 1981-03-11 1985-07-11 Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel Verfahren zur Reproduktion farbiger Vorlagen im Vierfarbendruck unter Farbrücknahme
ATE14944T1 (de) * 1982-05-29 1985-08-15 Hell Rudolf Dr Ing Gmbh Verfahren zur tonwertabhaengigen farbruecknahme im vierfarbendruck.
US4682216A (en) * 1983-03-08 1987-07-21 Canon Kabushiki Kaisha Color image picture forming process and apparatus which improves the quality of the black portions of the picture
US5031034A (en) * 1988-06-20 1991-07-09 Canon Kabushiki Kaisha Image forming and processing apparatus with identification of character portions of images
JPH03121669A (ja) * 1989-10-04 1991-05-23 Fuji Xerox Co Ltd カラー画像修正装置
US5289297A (en) * 1991-10-02 1994-02-22 Xerox Corporation Converting lines to other colors
US5305119A (en) * 1992-10-01 1994-04-19 Xerox Corporation Color printer calibration architecture
US5477335A (en) * 1992-12-28 1995-12-19 Eastman Kodak Company Method and apparatus of copying of black text on documents using a color scanner
DE69418674T2 (de) * 1993-10-28 1999-10-21 Canon Kk Verfahren und Vorrichtung zur Tintenstrahlaufzeichnung
US5402245A (en) * 1994-01-27 1995-03-28 Hewlett-Packard Company Bi-level digital color printer system exhibiting improved undercolor removal and error diffusion procedures
JPH0823455A (ja) * 1994-07-08 1996-01-23 Fuji Xerox Co Ltd 画像処理装置および画像形成装置

Also Published As

Publication number Publication date
EP0782097A2 (de) 1997-07-02
JPH09188003A (ja) 1997-07-22
EP0782097A3 (de) 1998-05-06
US6275302B1 (en) 2001-08-14
JP4153568B2 (ja) 2008-09-24
EP0782097B1 (de) 2003-05-28
DE69628401D1 (de) 2003-07-03

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Legal Events

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8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)